Regardless of the method used to develop a scientific explanation, what does a scientist always look for? 1Trends or patterns
2proof of hypothesis
3a mathematical equation
4something never seen before

2proof of hypothesis

Explanation:

A scientist is always on the look out for the proof of a hypothesis so as to validate their claim.

from

explanation:

wind is defined by the direction it blows from.   for example, a wind blowing from north to south is called a northerly wind.

answer

procedural programming, object-oriented programming

explanation

procedural programming is a type of computer programming language that specifies a series of well structured steps and procedures   within its development period of time. it contains a systematic order of statements, functions and commands to complete a computational task or program. it is centered on creating procedures. while object oriented programming is a programming language that is centered on creating objects rather that actions and data rather than logic.. it has four principles which are inheritance, polymorphism, abstraction and encapsulation